stk-code_catmod/data/shaders/instanced_grass.vert
Deve 28d85d7ba3 Use explicit attrib location when the extension is available.
It allows to enable it easily in GLES renderer. And we check if this extension is available anyway because it's needed for shadows, so we can use it for other shaders too.
2017-02-01 21:58:10 +01:00

56 lines
1.4 KiB
GLSL

uniform vec3 windDir;
#ifdef Explicit_Attrib_Location_Usable
layout(location = 0) in vec3 Position;
layout(location = 1) in vec3 Normal;
layout(location = 2) in vec4 Color;
layout(location = 3) in vec2 Texcoord;
layout(location = 7) in vec3 Origin;
layout(location = 8) in vec3 Orientation;
layout(location = 9) in vec3 Scale;
layout(location = 10) in vec4 misc_data;
#ifdef Use_Bindless_Texture
layout(location = 11) in sampler2D Handle;
layout(location = 12) in sampler2D SecondHandle;
layout(location = 13) in sampler2D ThirdHandle;
#endif
#else
in vec3 Position;
in vec3 Normal;
in vec4 Color;
in vec2 Texcoord;
in vec3 Origin;
in vec3 Orientation;
in vec3 Scale;
in vec4 misc_data;
#endif
out vec3 nor;
out vec2 uv;
flat out vec2 color_change;
#ifdef Use_Bindless_Texture
flat out sampler2D handle;
flat out sampler2D secondhandle;
flat out sampler2D thirdhandle;
#endif
#stk_include "utils/getworldmatrix.vert"
void main()
{
mat4 ModelMatrix = getWorldMatrix(Origin + windDir * Color.r, Orientation, Scale);
mat4 TransposeInverseModelView = transpose(getInverseWorldMatrix(Origin + windDir * Color.r, Orientation, Scale) * InverseViewMatrix);
gl_Position = ProjectionViewMatrix * ModelMatrix * vec4(Position, 1.);
nor = (TransposeInverseModelView * vec4(Normal, 0.)).xyz;
uv = Texcoord;
color_change = misc_data.zw;
#ifdef Use_Bindless_Texture
handle = Handle;
secondhandle = SecondHandle;
thirdhandle = ThirdHandle;
#endif
}